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  <div class="section" id="s-editing-mixins">
<span id="editing-mixins"></span><h1>Editing mixins<a class="headerlink" href="#editing-mixins" title="Permalink to this headline">¶</a></h1>
<p>The following mixins are used to construct Django&#8217;s editing views:</p>
<ul class="simple">
<li><a class="reference internal" href="#django.views.generic.edit.FormMixin" title="django.views.generic.edit.FormMixin"><tt class="xref py py-class docutils literal"><span class="pre">django.views.generic.edit.FormMixin</span></tt></a></li>
<li><a class="reference internal" href="#django.views.generic.edit.ModelFormMixin" title="django.views.generic.edit.ModelFormMixin"><tt class="xref py py-class docutils literal"><span class="pre">django.views.generic.edit.ModelFormMixin</span></tt></a></li>
<li><a class="reference internal" href="#django.views.generic.edit.ProcessFormView" title="django.views.generic.edit.ProcessFormView"><tt class="xref py py-class docutils literal"><span class="pre">django.views.generic.edit.ProcessFormView</span></tt></a></li>
<li><a class="reference internal" href="#django.views.generic.edit.DeletionMixin" title="django.views.generic.edit.DeletionMixin"><tt class="xref py py-class docutils literal"><span class="pre">django.views.generic.edit.DeletionMixin</span></tt></a></li>
</ul>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">Examples of how these are combined into editing views can be found at
the documentation on <a class="reference internal" href="generic-editing.html"><em>Generic editing views</em></a>.</p>
</div>
<div class="section" id="s-formmixin">
<span id="formmixin"></span><h2>FormMixin<a class="headerlink" href="#formmixin" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="django.views.generic.edit.FormMixin">
<em class="property">class </em><tt class="descclassname">django.views.generic.edit.</tt><tt class="descname">FormMixin</tt><a class="headerlink" href="#django.views.generic.edit.FormMixin" title="Permalink to this definition">¶</a></dt>
<dd><p>A mixin class that provides facilities for creating and displaying forms.</p>
<p><strong>Mixins</strong></p>
<ul class="simple">
<li><a class="reference internal" href="mixins-simple.html#django.views.generic.base.ContextMixin" title="django.views.generic.base.ContextMixin"><tt class="xref py py-class docutils literal"><span class="pre">django.views.generic.base.ContextMixin</span></tt></a></li>
</ul>
<p><strong>Methods and Attributes</strong></p>
<dl class="attribute">
<dt id="django.views.generic.edit.FormMixin.initial">
<tt class="descname">initial</tt><a class="headerlink" href="#django.views.generic.edit.FormMixin.initial" title="Permalink to this definition">¶</a></dt>
<dd><p>A dictionary containing initial data for the form.</p>
</dd></dl>

<dl class="attribute">
<dt id="django.views.generic.edit.FormMixin.form_class">
<tt class="descname">form_class</tt><a class="headerlink" href="#django.views.generic.edit.FormMixin.form_class" title="Permalink to this definition">¶</a></dt>
<dd><p>The form class to instantiate.</p>
</dd></dl>

<dl class="attribute">
<dt id="django.views.generic.edit.FormMixin.success_url">
<tt class="descname">success_url</tt><a class="headerlink" href="#django.views.generic.edit.FormMixin.success_url" title="Permalink to this definition">¶</a></dt>
<dd><p>The URL to redirect to when the form is successfully processed.</p>
</dd></dl>

<dl class="attribute">
<dt id="django.views.generic.edit.FormMixin.prefix">
<tt class="descname">prefix</tt><a class="headerlink" href="#django.views.generic.edit.FormMixin.prefix" title="Permalink to this definition">¶</a></dt>
<dd><div class="versionadded">
<span class="title">New in Django 1.6.</span> </div>
<p>The <a class="reference internal" href="../forms/api.html#django.forms.Form.prefix" title="django.forms.Form.prefix"><tt class="xref py py-attr docutils literal"><span class="pre">prefix</span></tt></a> for the generated form.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.FormMixin.get_initial">
<tt class="descname">get_initial</tt>()<a class="headerlink" href="#django.views.generic.edit.FormMixin.get_initial" title="Permalink to this definition">¶</a></dt>
<dd><p>Retrieve initial data for the form. By default, returns a copy of
<a class="reference internal" href="#django.views.generic.edit.FormMixin.initial" title="django.views.generic.edit.FormMixin.initial"><tt class="xref py py-attr docutils literal"><span class="pre">initial</span></tt></a>.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.FormMixin.get_form_class">
<tt class="descname">get_form_class</tt>()<a class="headerlink" href="#django.views.generic.edit.FormMixin.get_form_class" title="Permalink to this definition">¶</a></dt>
<dd><p>Retrieve the form class to instantiate. By default
<a class="reference internal" href="#django.views.generic.edit.FormMixin.form_class" title="django.views.generic.edit.FormMixin.form_class"><tt class="xref py py-attr docutils literal"><span class="pre">form_class</span></tt></a>.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.FormMixin.get_form">
<tt class="descname">get_form</tt>(<em>form_class</em>)<a class="headerlink" href="#django.views.generic.edit.FormMixin.get_form" title="Permalink to this definition">¶</a></dt>
<dd><p>Instantiate an instance of <tt class="docutils literal"><span class="pre">form_class</span></tt> using
<a class="reference internal" href="#django.views.generic.edit.FormMixin.get_form_kwargs" title="django.views.generic.edit.FormMixin.get_form_kwargs"><tt class="xref py py-meth docutils literal"><span class="pre">get_form_kwargs()</span></tt></a>.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.FormMixin.get_form_kwargs">
<tt class="descname">get_form_kwargs</tt>()<a class="headerlink" href="#django.views.generic.edit.FormMixin.get_form_kwargs" title="Permalink to this definition">¶</a></dt>
<dd><p>Build the keyword arguments required to instantiate the form.</p>
<p>The <tt class="docutils literal"><span class="pre">initial</span></tt> argument is set to <a class="reference internal" href="#django.views.generic.edit.FormMixin.get_initial" title="django.views.generic.edit.FormMixin.get_initial"><tt class="xref py py-meth docutils literal"><span class="pre">get_initial()</span></tt></a>. If the
request is a <tt class="docutils literal"><span class="pre">POST</span></tt> or <tt class="docutils literal"><span class="pre">PUT</span></tt>, the request data (<tt class="docutils literal"><span class="pre">request.POST</span></tt>
and <tt class="docutils literal"><span class="pre">request.FILES</span></tt>) will also be provided.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.FormMixin.get_prefix">
<tt class="descname">get_prefix</tt>()<a class="headerlink" href="#django.views.generic.edit.FormMixin.get_prefix" title="Permalink to this definition">¶</a></dt>
<dd><div class="versionadded">
<span class="title">New in Django 1.6.</span> </div>
<p>Determine the <a class="reference internal" href="../forms/api.html#django.forms.Form.prefix" title="django.forms.Form.prefix"><tt class="xref py py-attr docutils literal"><span class="pre">prefix</span></tt></a> for the generated form.
Returns <a class="reference internal" href="#django.views.generic.edit.FormMixin.prefix" title="django.views.generic.edit.FormMixin.prefix"><tt class="xref py py-attr docutils literal"><span class="pre">prefix</span></tt></a> by default.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.FormMixin.get_success_url">
<tt class="descname">get_success_url</tt>()<a class="headerlink" href="#django.views.generic.edit.FormMixin.get_success_url" title="Permalink to this definition">¶</a></dt>
<dd><p>Determine the URL to redirect to when the form is successfully
validated. Returns
<a class="reference internal" href="#django.views.generic.edit.FormMixin.success_url" title="django.views.generic.edit.FormMixin.success_url"><tt class="xref py py-attr docutils literal"><span class="pre">success_url</span></tt></a> by default.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.FormMixin.form_valid">
<tt class="descname">form_valid</tt>(<em>form</em>)<a class="headerlink" href="#django.views.generic.edit.FormMixin.form_valid" title="Permalink to this definition">¶</a></dt>
<dd><p>Redirects to
<a class="reference internal" href="#django.views.generic.edit.FormMixin.get_success_url" title="django.views.generic.edit.FormMixin.get_success_url"><tt class="xref py py-meth docutils literal"><span class="pre">get_success_url()</span></tt></a>.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.FormMixin.form_invalid">
<tt class="descname">form_invalid</tt>(<em>form</em>)<a class="headerlink" href="#django.views.generic.edit.FormMixin.form_invalid" title="Permalink to this definition">¶</a></dt>
<dd><p>Renders a response, providing the invalid form as context.</p>
</dd></dl>

</dd></dl>

</div>
<div class="section" id="s-modelformmixin">
<span id="modelformmixin"></span><h2>ModelFormMixin<a class="headerlink" href="#modelformmixin" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="django.views.generic.edit.ModelFormMixin">
<em class="property">class </em><tt class="descclassname">django.views.generic.edit.</tt><tt class="descname">ModelFormMixin</tt><a class="headerlink" href="#django.views.generic.edit.ModelFormMixin" title="Permalink to this definition">¶</a></dt>
<dd><p>A form mixin that works on <tt class="docutils literal"><span class="pre">ModelForms</span></tt>, rather than a standalone form.</p>
<p>Since this is a subclass of
<a class="reference internal" href="mixins-single-object.html#django.views.generic.detail.SingleObjectMixin" title="django.views.generic.detail.SingleObjectMixin"><tt class="xref py py-class docutils literal"><span class="pre">SingleObjectMixin</span></tt></a>, instances of this
mixin have access to the
<a class="reference internal" href="mixins-single-object.html#django.views.generic.detail.SingleObjectMixin.model" title="django.views.generic.detail.SingleObjectMixin.model"><tt class="xref py py-attr docutils literal"><span class="pre">model</span></tt></a> and
<a class="reference internal" href="mixins-single-object.html#django.views.generic.detail.SingleObjectMixin.queryset" title="django.views.generic.detail.SingleObjectMixin.queryset"><tt class="xref py py-attr docutils literal"><span class="pre">queryset</span></tt></a> attributes,
describing the type of object that the <tt class="docutils literal"><span class="pre">ModelForm</span></tt> is manipulating.</p>
<p><strong>Mixins</strong></p>
<ul class="simple">
<li><a class="reference internal" href="#django.views.generic.edit.FormMixin" title="django.views.generic.edit.FormMixin"><tt class="xref py py-class docutils literal"><span class="pre">django.views.generic.edit.FormMixin</span></tt></a></li>
<li><a class="reference internal" href="mixins-single-object.html#django.views.generic.detail.SingleObjectMixin" title="django.views.generic.detail.SingleObjectMixin"><tt class="xref py py-class docutils literal"><span class="pre">django.views.generic.detail.SingleObjectMixin</span></tt></a></li>
</ul>
<p><strong>Methods and Attributes</strong></p>
<dl class="attribute">
<dt id="django.views.generic.edit.ModelFormMixin.model">
<tt class="descname">model</tt><a class="headerlink" href="#django.views.generic.edit.ModelFormMixin.model" title="Permalink to this definition">¶</a></dt>
<dd><p>A model class. Can be explicitly provided, otherwise will be determined
by examining <tt class="docutils literal"><span class="pre">self.object</span></tt> or
<a class="reference internal" href="mixins-single-object.html#django.views.generic.detail.SingleObjectMixin.queryset" title="django.views.generic.detail.SingleObjectMixin.queryset"><tt class="xref py py-attr docutils literal"><span class="pre">queryset</span></tt></a>.</p>
</dd></dl>

<dl class="attribute">
<dt id="django.views.generic.edit.ModelFormMixin.fields">
<tt class="descname">fields</tt><a class="headerlink" href="#django.views.generic.edit.ModelFormMixin.fields" title="Permalink to this definition">¶</a></dt>
<dd><div class="versionadded">
<span class="title">New in Django 1.6.</span> </div>
<p>A list of names of fields. This is interpreted the same way as the
<tt class="docutils literal"><span class="pre">Meta.fields</span></tt> attribute of <a class="reference internal" href="../../topics/forms/modelforms.html#django.forms.ModelForm" title="django.forms.ModelForm"><tt class="xref py py-class docutils literal"><span class="pre">ModelForm</span></tt></a>.</p>
<p>This is a required attribute if you are generating the form class
automatically (e.g. using <tt class="docutils literal"><span class="pre">model</span></tt>). Omitting this attribute will
result in all fields being used, but this behavior is deprecated
and will be removed in Django 1.8.</p>
</dd></dl>

<dl class="attribute">
<dt id="django.views.generic.edit.ModelFormMixin.success_url">
<tt class="descname">success_url</tt><a class="headerlink" href="#django.views.generic.edit.ModelFormMixin.success_url" title="Permalink to this definition">¶</a></dt>
<dd><p>The URL to redirect to when the form is successfully processed.</p>
<p><tt class="docutils literal"><span class="pre">success_url</span></tt> may contain dictionary string formatting, which
will be interpolated against the object&#8217;s field attributes. For
example, you could use <tt class="docutils literal"><span class="pre">success_url=&quot;/polls/%(slug)s/&quot;</span></tt> to
redirect to a URL composed out of the <tt class="docutils literal"><span class="pre">slug</span></tt> field on a model.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.ModelFormMixin.get_form_class">
<tt class="descname">get_form_class</tt>()<a class="headerlink" href="#django.views.generic.edit.ModelFormMixin.get_form_class" title="Permalink to this definition">¶</a></dt>
<dd><p>Retrieve the form class to instantiate. If
<a class="reference internal" href="#django.views.generic.edit.FormMixin.form_class" title="django.views.generic.edit.FormMixin.form_class"><tt class="xref py py-attr docutils literal"><span class="pre">form_class</span></tt></a> is provided,
that class will be used. Otherwise, a <tt class="docutils literal"><span class="pre">ModelForm</span></tt> will be
instantiated using the model associated with the
<a class="reference internal" href="mixins-single-object.html#django.views.generic.detail.SingleObjectMixin.queryset" title="django.views.generic.detail.SingleObjectMixin.queryset"><tt class="xref py py-attr docutils literal"><span class="pre">queryset</span></tt></a>, or
with the <a class="reference internal" href="mixins-single-object.html#django.views.generic.detail.SingleObjectMixin.model" title="django.views.generic.detail.SingleObjectMixin.model"><tt class="xref py py-attr docutils literal"><span class="pre">model</span></tt></a>,
depending on which attribute is provided.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.ModelFormMixin.get_form_kwargs">
<tt class="descname">get_form_kwargs</tt>()<a class="headerlink" href="#django.views.generic.edit.ModelFormMixin.get_form_kwargs" title="Permalink to this definition">¶</a></dt>
<dd><p>Add the current instance (<tt class="docutils literal"><span class="pre">self.object</span></tt>) to the standard
<a class="reference internal" href="#django.views.generic.edit.FormMixin.get_form_kwargs" title="django.views.generic.edit.FormMixin.get_form_kwargs"><tt class="xref py py-meth docutils literal"><span class="pre">get_form_kwargs()</span></tt></a>.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.ModelFormMixin.get_success_url">
<tt class="descname">get_success_url</tt>()<a class="headerlink" href="#django.views.generic.edit.ModelFormMixin.get_success_url" title="Permalink to this definition">¶</a></dt>
<dd><p>Determine the URL to redirect to when the form is successfully
validated. Returns
<a class="reference internal" href="#django.views.generic.edit.ModelFormMixin.success_url" title="django.views.generic.edit.ModelFormMixin.success_url"><tt class="xref py py-attr docutils literal"><span class="pre">django.views.generic.edit.ModelFormMixin.success_url</span></tt></a> if it is
provided; otherwise, attempts to use the <tt class="docutils literal"><span class="pre">get_absolute_url()</span></tt> of the
object.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.ModelFormMixin.form_valid">
<tt class="descname">form_valid</tt>(<em>form</em>)<a class="headerlink" href="#django.views.generic.edit.ModelFormMixin.form_valid" title="Permalink to this definition">¶</a></dt>
<dd><p>Saves the form instance, sets the current object for the view, and
redirects to
<a class="reference internal" href="#django.views.generic.edit.FormMixin.get_success_url" title="django.views.generic.edit.FormMixin.get_success_url"><tt class="xref py py-meth docutils literal"><span class="pre">get_success_url()</span></tt></a>.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.ModelFormMixin.form_invalid">
<tt class="descname">form_invalid</tt>()<a class="headerlink" href="#django.views.generic.edit.ModelFormMixin.form_invalid" title="Permalink to this definition">¶</a></dt>
<dd><p>Renders a response, providing the invalid form as context.</p>
</dd></dl>

</dd></dl>

</div>
<div class="section" id="s-processformview">
<span id="processformview"></span><h2>ProcessFormView<a class="headerlink" href="#processformview" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="django.views.generic.edit.ProcessFormView">
<em class="property">class </em><tt class="descclassname">django.views.generic.edit.</tt><tt class="descname">ProcessFormView</tt><a class="headerlink" href="#django.views.generic.edit.ProcessFormView" title="Permalink to this definition">¶</a></dt>
<dd><p>A mixin that provides basic HTTP GET and POST workflow.</p>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">This is named &#8216;ProcessFormView&#8217; and inherits directly from
<a class="reference internal" href="base.html#django.views.generic.base.View" title="django.views.generic.base.View"><tt class="xref py py-class docutils literal"><span class="pre">django.views.generic.base.View</span></tt></a>, but breaks if used
independently, so it is more of a mixin.</p>
</div>
<p><strong>Extends</strong></p>
<ul class="simple">
<li><a class="reference internal" href="base.html#django.views.generic.base.View" title="django.views.generic.base.View"><tt class="xref py py-class docutils literal"><span class="pre">django.views.generic.base.View</span></tt></a></li>
</ul>
<p><strong>Methods and Attributes</strong></p>
<dl class="method">
<dt id="django.views.generic.edit.ProcessFormView.get">
<tt class="descname">get</tt>(<em>request</em>, <em>*args</em>, <em>**kwargs</em>)<a class="headerlink" href="#django.views.generic.edit.ProcessFormView.get" title="Permalink to this definition">¶</a></dt>
<dd><p>Constructs a form, then renders a response using a context that
contains that form.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.ProcessFormView.post">
<tt class="descname">post</tt>(<em>request</em>, <em>*args</em>, <em>**kwargs</em>)<a class="headerlink" href="#django.views.generic.edit.ProcessFormView.post" title="Permalink to this definition">¶</a></dt>
<dd><p>Constructs a form, checks the form for validity, and handles it
accordingly.</p>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.ProcessFormView.put">
<tt class="descname">put</tt>(<em>*args</em>, <em>**kwargs</em>)<a class="headerlink" href="#django.views.generic.edit.ProcessFormView.put" title="Permalink to this definition">¶</a></dt>
<dd><p>The <tt class="docutils literal"><span class="pre">PUT</span></tt> action is also handled and just passes all parameters
through to <a class="reference internal" href="#django.views.generic.edit.ProcessFormView.post" title="django.views.generic.edit.ProcessFormView.post"><tt class="xref py py-meth docutils literal"><span class="pre">post()</span></tt></a>.</p>
</dd></dl>

</dd></dl>

</div>
<div class="section" id="s-deletionmixin">
<span id="deletionmixin"></span><h2>DeletionMixin<a class="headerlink" href="#deletionmixin" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="django.views.generic.edit.DeletionMixin">
<em class="property">class </em><tt class="descclassname">django.views.generic.edit.</tt><tt class="descname">DeletionMixin</tt><a class="headerlink" href="#django.views.generic.edit.DeletionMixin" title="Permalink to this definition">¶</a></dt>
<dd><p>Enables handling of the <tt class="docutils literal"><span class="pre">DELETE</span></tt> http action.</p>
<p><strong>Methods and Attributes</strong></p>
<dl class="attribute">
<dt id="django.views.generic.edit.DeletionMixin.success_url">
<tt class="descname">success_url</tt><a class="headerlink" href="#django.views.generic.edit.DeletionMixin.success_url" title="Permalink to this definition">¶</a></dt>
<dd><p>The url to redirect to when the nominated object has been
successfully deleted.</p>
<div class="versionadded">
<span class="title">New in Django 1.6:</span> <p><tt class="docutils literal"><span class="pre">success_url</span></tt> may contain dictionary string formatting, which
will be interpolated against the object&#8217;s field attributes. For
example, you could use <tt class="docutils literal"><span class="pre">success_url=&quot;/parent/%(parent_id)s/&quot;</span></tt> to
redirect to a URL composed out of the <tt class="docutils literal"><span class="pre">parent_id</span></tt> field on a model.</p>
</div>
</dd></dl>

<dl class="method">
<dt id="django.views.generic.edit.DeletionMixin.get_success_url">
<tt class="descname">get_success_url</tt>()<a class="headerlink" href="#django.views.generic.edit.DeletionMixin.get_success_url" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns the url to redirect to when the nominated object has been
successfully deleted. Returns
<a class="reference internal" href="#django.views.generic.edit.DeletionMixin.success_url" title="django.views.generic.edit.DeletionMixin.success_url"><tt class="xref py py-attr docutils literal"><span class="pre">success_url</span></tt></a> by
default.</p>
</dd></dl>

</dd></dl>

</div>
</div>


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